JPWO2019044619A1 - 生体情報処理システム、生体情報処理方法、及びコンピュータプログラム - Google Patents
生体情報処理システム、生体情報処理方法、及びコンピュータプログラム Download PDFInfo
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Abstract
Description
S(t)=1 (wY(t)≧0のとき)
S(t)=0 (wY(t)<0のとき)
である。
r_t' = (r_t - r_m)/r_s; (1)
過去の一定時間内のh_tの平均値をh_m、一定時間内の標準偏差値をh_sとすると
h_t' = (h_t - h_m)/h_s; (2)
A2.「せん妄」のアセスメント指標。
A3.同室の他の入院患者、担当看護・介護者が誰か、という情報。
A4.鎮静系睡眠系薬剤の種類、投与からの経過時間、薬剤の半減期、体重、年齢の情報。
A5.心拍以外の生体センサーからわかる生体情報(例えば、体動量、皮膚体温、発汗量、血圧、筋電位、呼吸数)の変化パターン。
A6.カメラ映像からわかる人体の姿勢や動きの量。例えば、カメラ映像からわかる人体の動きのうち、手で顔に触れた回数。カメラ映像からわかる人体の動きのうち、手で腕に触れた回数。
A7.マイクからわかる対象患者の発声。例えば、対象患者の叫びや独り言。
上述の生体情報処理システム100A及び生体情報処理システム100Bは、ハードウエアによって実現してもよいし、ソフトウエアによって実現してもよい。また、生体情報処理システム100A及び生体情報処理システム100Bは、ハードウエアとソフトウエアの組み合わせによって実現してもよい。
11、11A 特徴量算出部
12、12A 不穏検知部
21 不穏状態識別部
22 学習済識別用パラメータ記憶部
30 生体情報処理システム(学習システム)
31 心拍取得部
32 心拍区間変量計算部
33 識別用パラメータ更新部
41 心拍区間変量計算部
42 不穏状態識別部
401 面会記録部
402 せん妄指標記録部
403 血圧記録部
404 人体動き量記録部
405 鎮静系薬剤血中濃度記録部
60 生体情報処理システム(学習システム)
61 生体情報取得部
62 特徴量計算部
63 識別用パラメータ更新部
64 学習済識別用パラメータ記憶部
500 情報処理装置
510 制御部(CPU)
520 記憶部
530 ROM
540 RAM
550 通信インターフェース
560 ユーザインターフェース
Claims (13)
- 入力される対象患者の生体情報から当該対象患者に関する特徴量を示す検知処理用の特徴量時系列データを算出する特徴量算出部と、
事前に取得した識別用パラメータに基づいて、前記検知処理用の特徴量時系列データを処理し、前記対象患者の現在の不穏スコアを算出し、前記対象患者の問題行動前に、前記対象患者の現在の不穏状態を検知する不穏検知部と、
を有する、生体情報処理システム。 - 前記識別用パラメータを記憶する記憶部を有し、
前記記憶部は、不穏状態における生体情報から得られる第1の学習処理用の特徴量時系列データと、非不穏状態における生体情報から得られる第2の学習処理用の特徴量時系列データと、に基づいて算出される前記識別用パラメータを記憶する、
請求項1記載の生体情報処理システム。 - 前記不穏検知部は、前記特徴量算出部からの前記検知処理用の特徴量時系列データと前記識別用パラメータとを用いて、前記対象患者の前記現在の不穏スコアを算出する、請求項1または2に記載の生体情報処理システム。
- 前記不穏検知部は、前記特徴量算出部からの前記検知処理用の特徴量時系列データを前記識別用パラメータに乗算することによって、前記対象患者の前記現在の不穏スコアを算出する、請求項3に記載の生体情報処理システム。
- 前記識別用パラメータは機械学習手法によって得られた線形パラメータ又は非線形パラメータである、請求項1〜4のいずれか1項に記載の生体情報処理システム。
- 前記生体情報が心拍、呼吸、血圧、体温、意識レベル、皮膚温度、皮膚コンダクタンス反応、心電波形、及び脳波波形を含む群から選択された情報である、請求項1〜5のいずれか1項に記載の生体情報処理システム。
- 前記不穏検知部は、前記検知処理用の特徴量時系列データに加えて前記対象患者に関する付加情報をも用いて、前記対象患者の現在の不穏状態を検知する、請求項1〜6のいずれか1項に記載の生体情報処理システム。
- 入力される対象患者の生体情報から当該対象患者に関する特徴量を示す検知処理用の特徴量時系列データを算出する特徴量算出部と、
事前に取得した識別用パラメータを記憶する識別用パラメータ記憶部と、
前記識別用パラメータに基づいて、前記検知処理用の特徴量時系列データを処理し、前記識別用パラメータを更新する識別用パラメータ更新部と、
を有する、生体情報処理システム。 - 入力される対象患者の生体情報から当該対象患者に関する特徴量を示す検知処理用の特徴量時系列データを算出し、
事前に取得した識別用パラメータに基づいて、前記検知処理用の特徴量時系列データを処理し、前記対象患者の現在の不穏スコアを算出し、前記対象患者の問題行動前に、前記対象患者の現在の不穏状態を検知する、生体情報処理方法。 - 不穏状態における生体情報から得られる第1の学習処理用の特徴量時系列データと、非不穏状態における生体情報から得られる第2の学習処理用の特徴量時系列データと、に基づいて前記識別用パラメータを算出する、請求項9に記載の生体情報処理方法。
- 入力される対象患者の生体情報から当該対象患者に関する特徴量を示す検知処理用の特徴量時系列データを算出し、
事前に取得した識別用パラメータを識別用パラメータ記憶部に記憶し、
前記識別用パラメータに基づいて、前記検知処理用の特徴量時系列データを処理し、前記識別用パラメータを更新して、前記識別用パラメータ記憶部に記憶させる、生体情報処理方法。 - 入力される対象患者の生体情報から当該対象患者に関する特徴量を示す検知処理用の特徴量時系列データを算出するステップと、
事前に取得した識別用パラメータに基づいて、前記検知処理用の特徴量時系列データを処理し、前記対象患者の現在の不穏スコアを算出し、前記対象患者の問題行動前に、前記対象患者の現在の不穏状態を検知するステップを、コンピュータに実行させるコンピュータプログラムを記録した記録媒体。 - 入力される対象患者の生体情報から当該対象患者に関する特徴量を示す検知処理用の特徴量時系列データを算出するステップと、
事前に取得した識別用パラメータを識別用パラメータ記憶部に記憶するステップと、
前記識別用パラメータに基づいて、前記検知処理用の特徴量時系列データを処理し、前記識別用パラメータを更新して、前記識別用パラメータ記憶部に記憶させるステップを、コンピュータに実行させるコンピュータプログラムを記録した記録媒体。
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US20200303046A1 (en) * | 2019-02-22 | 2020-09-24 | Aerial Technologies Inc. | Wi-fi-based condition monitoring |
US11800993B2 (en) * | 2019-06-28 | 2023-10-31 | Hill-Rom Services, Inc. | Exit monitoring system for patient support apparatus |
WO2021016112A2 (en) | 2019-07-19 | 2021-01-28 | Bioxcel Therapeutics, Inc. | Non-sedating dexmedetomidine treatment regimens |
CA3154659A1 (en) * | 2019-09-18 | 2021-03-25 | Bioxcel Therapeutics, Inc. | Systems and methods for detection and prevention of emergence of agitation |
JP7477813B2 (ja) * | 2019-11-26 | 2024-05-02 | 日本電気株式会社 | 環境管理システム、環境管理方法およびプログラム |
JP2023513306A (ja) * | 2020-02-14 | 2023-03-30 | バイオエクセル セラピューティクス,インコーポレイテッド | 激越の出現を検出及び防止するためのシステム及び方法 |
JPWO2022059142A1 (ja) * | 2020-09-17 | 2022-03-24 | ||
US20240285203A1 (en) | 2020-09-17 | 2024-08-29 | Nec Corporation | Determination apparatus |
US20230346317A1 (en) * | 2020-09-17 | 2023-11-02 | Nec Corporation | Determination apparatus |
US20240312628A1 (en) * | 2021-03-29 | 2024-09-19 | Nec Corporation | Learning device, determination device, method for generating trained model, and recording medium |
WO2023137400A1 (en) * | 2022-01-12 | 2023-07-20 | CeriBell, Inc. | Systems and methods for detection of delirium and other neurological conditions |
WO2023136336A1 (ja) * | 2022-01-14 | 2023-07-20 | 住友ファーマ株式会社 | 診断支援システム、診断支援方法、及び診断支援プログラム |
US11806334B1 (en) | 2023-01-12 | 2023-11-07 | Bioxcel Therapeutics, Inc. | Non-sedating dexmedetomidine treatment regimens |
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- 2018-08-22 WO PCT/JP2018/030970 patent/WO2019044619A1/ja active Application Filing
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